package com.heima.user.service.impl;

import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.user.dtos.LoginDto;
import com.heima.model.user.pojos.ApUser;
import com.heima.user.mapper.ApUserMapper;
import com.heima.user.service.ApUserService;
import com.heima.utils.common.AppJwtUtil;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.codec.cli.Digest;
import org.apache.commons.lang3.ObjectUtils;
import org.apache.commons.lang3.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.DigestUtils;

import java.util.HashMap;
import java.util.Map;

@Service
@Transactional
@Slf4j
public class ApUserServiceImpl extends ServiceImpl<ApUserMapper, ApUser> implements ApUserService {

    @Override
    public ResponseResult login(LoginDto dto) {
        // 1.正常登录 用户名和密码
        if (StringUtils.isNoneEmpty(dto.getPhone(), dto.getPassword())) {
            // 1.1 根据手机号查询用户信息
            ApUser apUser = lambdaQuery().eq(ApUser::getPhone, dto.getPhone()).one();
            if (apUser == null) {
                return ResponseResult.errorResult(AppHttpCodeEnum.DATA_NOT_EXIST, "用户信息不存在");
            }
            // 1.2 比对密码
            String salt = apUser.getSalt();
            String password = dto.getPassword();

            String pswd = DigestUtils.md5DigestAsHex((salt + password).getBytes());
            if (!pswd.equals(apUser.getPassword())) {
                return ResponseResult.errorResult(AppHttpCodeEnum.LOGIN_PASSWORD_ERROR);
            }
            // 1.3 返回数据  jwt
            Map<String, Object> map = new HashMap<>();
            map.put("token", AppJwtUtil.getToken(apUser.getId().longValue()));
            apUser.setSalt("");
            apUser.setPassword("");
            map.put("user", apUser);
            return ResponseResult.okResult(map);
        } else {
            //2.游客  同样返回token  id = 0
            Map<String, Object> map = new HashMap<>();
            map.put("token", AppJwtUtil.getToken(0l));
            return ResponseResult.okResult(map);
        }
    }
}